Machine tool, tool load displaying method for machine tool, and non-transitory computer-readable storage medium for calculation of machining parameters using a replacement tool

A machine tool comprising:

• an interface via which a machining program to be executed by a machine tool is selected and via which a sorting criterion is selected from sorting criteria comprising at least one of:
• a total usage time for which each of the tools is used during execution of the machining program;
• a total volume of cut part that is cut by each of the tools during the execution of the machining program;
• a total length of a path along which each of the tools is moved for machining work during the execution of the machining program;
• a maximum value of average values of a cutting power parameter corresponding to cutting power applied to each of the tools, the average values of the cutting power parameter corresponding to the cutting power applied to the each of the tools during execution of machining processes, respectively, the machining processes being specified by the machining program;
• a maximum value of peak values of a cutting power parameter corresponding to the cutting power applied to each of the tools, the peak values of the cutting power parameter corresponding to the cutting power applied to the each of the tools during the execution of the machining processes, respectively;
• and
• a cutting work order in which each of the tools are called during the execution of the machining program;
• a display configured
• to display tools to be used by the machine tool in a tool list window such that the tools are arranged in an ascending order or a descending order of values of the sorting criterion that the tools have, respectively;
• and
• to selectively display in the tool list window, at least one of the machining processes with each of the tools, each of the machining processes being performed by using the each of the tools;
• and
• a processor configured to calculate, upon selection of a selected machining process among at least one of the machining processes via the interface, load information in the selected machining process,
• wherein upon selection of the selected machining process, the display is configured to display the load information and values of machining parameters in the selected machining process,
• wherein upon selection of a selected tool among the tools via the interface, the display is configured to display a first selection window showing at least one replacement tool replaceable with the selected tool such that a selected replacement tool is selectable among the at least one replacement tool via the interface,
• wherein upon selection of the selected replacement tool, the display is configured to display a second selection window showing at least one machining process to be performed by the machine tool with using the selected tool such that at least one selected replacement-tool machining process is selectable among the at least one machining process via the interface, the at least one selected replacement-tool machining process being to be performed by the machine tool with using the selected replacement tool in place of the selected tool,
• wherein upon selection of at least the one selected replacement-tool machining process, the processor is configured to calculate, in each of the at least one selected replacement-tool machining process, values of the machining parameters of the selected replacement tool so that a machined shape to be formed by the selected replacement tool is substantially identical to a machined shape to be formed by the selected tool,
• wherein upon input of a command via the interface to change at least one value of the machining parameters that is displayed to at least one correction value, the processor is configured to re-calculate the load information based on the at least one correction value, and
• wherein the display is configured to display the load information that is re-calculated.

A non-transitory computer-readable storage medium storing a program for causing a computer to execute processing comprising:

• specifying a machining program to be executed by a machine tool;
• selecting a sorting criterion from sorting criteria comprising at least one of:
• a total usage time for which each of tools is used during execution of the machining program;
• a total volume of cut part that is cut by each of the tools during the execution of the machining program;
• a total length of a path along which each of the tools is moved for machining work during the execution of the machining program;
• a maximum value of average values of a cutting power parameter corresponding to cutting power applied to each of the tools, the average values of the cutting power parameter corresponding to the cutting power applied to the each of the tools during execution of machining processes, respectively, the machining processes being specified by the machining program;
• a maximum value of peak values of a cutting power parameter corresponding to the cutting power applied to each of the tools, the peak values of the cutting power parameter corresponding to the cutting power applied to the each of the tools during the execution of the machining processes, respectively;
• and
• a cutting work order in which each of the tools are called during the execution of the machining program;
• displaying the tools in a tool list window such that the tools are arranged in an ascending order or a descending order of values of the sorting criterion that the tools have respectively;
• selectively displaying in the tool list window, at least one of the machining processes with each of the tools, each of the machining processes being performed by using the each of the tools;
• displaying load information and values of machining parameters in a selected machining process which is selected among the at least one of machining processes that is displayed;
• obtaining a selected tool selected among the tools;
• displaying a first selection window showing at least one replacement tool replaceable with the selected tool;
• obtaining a selected replacement tool selected among the at least one replacement tool;
• displaying a second selection window showing at least one machining process to be performed by the machine tool with using the selected tool;
• obtaining among the at least one machining process, at least one selected replacement-tool machining process to be performed by the machine tool with using the selected replacement tool in place of the selected tool;
• calculating, in each of the at least one selected replacement-tool machining process, values of the machining parameters of the selected replacement tool so that a machined shape to be formed by the selected replacement tool is substantially identical to a machined shape to be formed by the selected tool;
• changing at least one value of the machining parameters that is displayed to at least one correction value;
• re-calculating the load information based on the at least one correction value;
• and
• displaying the load information that is re-calculated.